fayalite

[ fey-uh-lahyt, fahy-ah-lahyt ]
/ ˈfeɪ əˌlaɪt, faɪˈɑ laɪt /

noun Mineralogy.

the iron end member of the olivine group, Fe2SiO4.

Origin of fayalite

1835–45; named after Fayal; see -ite1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for fayalite

fayalite

/ (ˈfeɪəˌlaɪt, faɪˈɑːlaɪt) /

noun

a rare brown or black mineral of the olivine group, consisting of iron silicate. Formula: Fe 2 SiO 4

Word Origin for fayalite

C19: named after Fayal
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Science definitions for fayalite

fayalite

[ fāə-līt′ ]

See under olivine.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.